ZIP 61770 · Saybrook, Illinois
2026 Edition · 8 cards · data as of Oct 30, 2026
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Population
1,067 people call ZIP 61770 home.
1,067
people.
Census ACS 5-year, 2020-2024. Survey estimates for a place this size carry wide margins of error. Sources: Census ACS 5-year
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Rent
Median rent is up 32% since the 2010–2014 survey, before inflation.
$973
a month. Illinois's median is $1,274.
Census ACS 5-year, 2020-2024 (latest), with earlier 5-year windows. Survey estimates for a place this size carry wide margins of error. Sources: Census ACS 5-year
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Room to build
The median rent is above what local wages can carry.
$643–$964
is the monthly rent range local workforce wages support.
- $973 median
Supportable rent computed by the Almanac from 2023 source wage data. Median rent: Census ACS 5-year, 2020-2024. Sources: Computed by the Almanac, Census ACS 5-year
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Building
Most of the housing here is older than 2000.
- 92% of all homes were built before 2000
Census ACS 5-year, 2020-2024. Survey estimates for a place this size carry wide margins of error. Sources: Census ACS 5-year
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Units needed
Closing the gap would add 0.2% to the 435 homes here.
1
is the estimated number of missing housing units; all three estimates agree.
Range computed by the Almanac from 2023 jobs and household data, using three demand models: 1% of jobs located here, 1% of renter households, and a rate by town size applied to renters. The low end is the lowest of the three and the high end the highest. It is an estimate, not a count. Sources: Computed by the Almanac
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Home value
A median home costs 58% less than Illinois's.
$110,900
median home value in ZIP 61770.
- $110,900 ZIP 61770
- $263,300 Illinois
- $332,700 U.S.
Census ACS 5-year, 2020-2024. Survey estimates for a place this size carry wide margins of error. Sources: Census ACS 5-year